#1D30A0#1D30A0

#1D30A0 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.180 H 268.1°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D30A0
RGB	rgb(29, 48, 160)
HSL	hsl(231, 69%, 37%)
HSV	hsv(231, 82%, 63%)
CMYK	cmyk(81.9%, 70%, 0%, 37.3%)
CIE-LAB	lab(26.48, 35.15, -62.15)
CIE-LCH	lch(26.48, 71.40, 299.49°)
OKLab	oklab(38.04% -0.0061 -0.18)
OKLCH	oklch(38.04% 0.18 268.1)
XYZ	xyz(7.9066, 4.9123, 33.7823)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D30A0 #A08D1D

analogous

#1D71A0 #1D30A0 #4C1DA0

triadic

#1D30A0 #A01D30 #30A01D

tetradic

#1D30A0 #A01D71 #A08D1D #1DA04C

square

#1D30A0 #A01D71 #A08D1D #1DA04C

split-complementary

#1D30A0 #A04C1D #71A01D

monochromatic

#0A1138 #14206C #1D30A0 #2640D4 #576BE1

Accessibility & contrast

On white

10.59

#1D30A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1D30A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D30A0

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D30A0	#FFFFFF	#000000	##FFFFFF
##1D30A0	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A3

Deuteranopia (green-blind)

#00389E

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d30a0;
/* rgb */ color: rgb(29, 48, 160);
/* oklch */ color: oklch(38.0% 0.180 268.1);

Tailwind

colors: {
  custom: {
    50: '#7268bd',
    500: '#1d30a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d30a0;
$custom-light: #7268bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d30a0",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 160
  },
  "hsl": {
    "h": 231.298,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38038,
    "c": 0.18015,
    "h": 268.1
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#1D30A0

secondary

#C4B455

accent

#D33CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D30A0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →